September Weather in Kuala Baru, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Kuala Baru, Indonesia is a warm 27°C (80°F). Expect a comfortable minimum of 24°C (75°F), soaring to a maximum of 31°C (88°F). However, be prepared for some rain, as 335 mm (13.2 in) of precipitation is likely to fall over 24 days. With an average humidity of 89%, it’s a perfect time to enjoy the sultry charm of this destination! 🌧️✨

September Temperature in Kuala Baru

In September in Kuala Baru, the average temperature is 27°C (80°F), with maximums reaching 31°C (88°F) and minimums dropping to as low as 24°C (75°F). This pleasant climate makes it an ideal time for exploring and enjoying outdoor activities in Kuala Baru.

September Weather in Kuala Baru: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kuala Baru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kuala Baru, September typically has an average temperature of 27°C (80°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (75°F).

Data source: Temperature data for Kuala Baru generated using information from the Copernicus Climate Change Service.

September Precipitation in Kuala Baru

In Kuala Baru in September, the total precipitation amount is 335 mm (13.2 in) over a period of 24 days.

September Precipitation Trends in Kuala Baru

The chart displays monthly precipitation patterns in Kuala Baru, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Kuala Baru, September typically receives around 335 mm (13.2 inches) of precipitation spread over approximately 24 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Kuala Baru

In Kuala Baru in September humidity is 89%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky embrace, making travel feel heavy and reminiscent of a sauna, where even the slightest exertion can leave you feeling drenched and yearning for a cool breeze.

September Average Humidity in Kuala Baru

This chart illustrates the average monthly humidity levels in Kuala Baru, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Kuala Baru is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kuala Baru

In Kuala Baru in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Kuala Baru.

Maximum UV Index Levels in Kuala Baru for September

The chart shows the monthly maximum UV Index (UVI) for Kuala Baru in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Kuala Baru typically reaches 15, which falls under the extreme exposure category.

Data source: Kuala Baru September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Kuala Baru Compares to Other Months

Weather in Kuala Baru varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kuala Baru, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Kuala Baru, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	260 mm (10.2 inches)	83%	extreme
February Weather	27°C (81°F)	216 mm (8.5 inches)	74%	extreme
March Weather	27°C (81°F)	405 mm (15.9 inches)	74%	extreme
April Weather	27°C (81°F)	388 mm (15.3 inches)	77%	extreme
May Weather	28°C (82°F)	305 mm (12.0 inches)	82%	extreme
June Weather	28°C (82°F)	177 mm (7.0 inches)	85%	extreme
July Weather	27°C (81°F)	297 mm (11.7 inches)	84%	extreme
August Weather	27°C (81°F)	349 mm (13.7 inches)	87%	extreme
September Weather	27°C (80°F)	335 mm (13.2 inches)	89%	extreme
October Weather	27°C (80°F)	486 mm (19.1 inches)	89%	extreme
November Weather	26°C (80°F)	683 mm (26.9 inches)	88%	extreme
December Weather	27°C (80°F)	428 mm (16.9 inches)	88%	extreme